package main

import (
  "fmt"
)

func main() {
  s := make([]int, 3)
  fmt.Println("s: %v, len: %d\n", s, len(s))
  s = append(s, 1)
  fmt.Println("s: %v, len: %d\n", s, len(s))

  q := make([]int, 0, 3)
  fmt.Println("s: %v, len: %d\n", q, len(q))
  q = append(q, 1)
  fmt.Println("s: %v, len: %d\n", q, len(q))
}

